How many numbers each containing four digits can be formed ,when a digit may be repeated any number of times?

How many 4-digit numbers are there when a digit may be repeated an number of times?

How many number4 of four digits can be formed with the digits 1,3,3,0?

How many 4-digit numbers can be formed with the digits 9,8,7,5,3 when a digit may be repeated any number of times in any arrangement.

How many numbers of four digits can be formed with the digits 1,2,4,5,7 no digit being repeated?

How many numbers of 3 digits can be formed with the digits 1,2,3,4,5 when digits may be repeated?

How many numbers of 3 -digits can be formed with the digits 1,2,3,4,5 when digits may be repeated?

How many 9- digits numbers of different digits can be formed?

How many natural numbers less than 1000 can be formed form the digits 0,1,2,3,4,5 when a digit may be repeated any number of times?

How many numbers of four digits can be formed with the digits 1,2,3,4,5 if the digits can be repeated in the same number?

How many numbers of 5 digits can be formed with the digits 0,1,2,3,4?